1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FACE_DATA_H 17 #define FACE_DATA_H 18 19 #include <ft2build.h> 20 #include <memory> 21 #include <shared_mutex> 22 #include FT_FREETYPE_H 23 #include <freetype/ftglyph.h> 24 25 #include <base/containers/vector.h> 26 #include <font/namespace.h> 27 28 #include "font_defs.h" 29 30 FONT_BEGIN_NAMESPACE() 31 class FontData; 32 class FontManager; 33 class FontBuffer; 34 35 class FaceData final : public std::enable_shared_from_this<FaceData> { 36 public: 37 FaceData(std::shared_ptr<FontBuffer> buf, FT_Face ftFace); 38 ~FaceData(); 39 FontManager& GetFontManager() const; 40 FontData* CreateFontData(float sizeInPt, uint16_t xDpi, uint16_t yDpi, bool sdf); 41 42 int UpdateGlyph(bool sdf, FT_Size ftSize, uint32_t glyphIndex, FontDefs::Glyph& glyph); 43 44 uint32_t GetGlyphIndex(uint32_t utfCode); 45 46 private: 47 friend class FontBuffer; 48 friend class FontData; 49 friend class Font; 50 51 std::shared_ptr<FontBuffer> fontBuffer_; // contains the data from font file 52 53 std::shared_mutex mutex_; 54 FT_Face face_; // face data 55 struct Data { 56 int64_t pixelSize; 57 std::unique_ptr<FontData> fontData; 58 }; 59 BASE_NS::vector<Data> datas_; 60 }; 61 FONT_END_NAMESPACE() 62 63 #endif // FACE_DATA_H 64